Figure 10.14 The Home page (/) with a proto-feed.

At this point, creating a new micropost works as expected, as seen in Figure 10.15. There is one subtlety, though: on failed micropost submission, the Home page expects an @feed_items instance variable, so failed submissions currently break (as you should be able to verify by running your test suite). The easiest solution is to suppress the feed entirely by assigning it an empty array, as shown in Listing 10.45.11